var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var ejs = require('ejs');
var cors = require('cors');
var openaiRouter = require('./routes/openai');
var discordRouter = require('./routes/discord');
var discordappRouter = require('./routes/discordapp');
var app = express();
//env配置
const dotenvAbsolutePath = path.join(__dirname, '.env')
require('dotenv').config({
    path: dotenvAbsolutePath,
});


// 设置允许跨域访问该服务
app.all('*', function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header('Access-Control-Allow-Methods', 'PUT, GET, POST, DELETE, OPTIONS');
  res.header("Access-Control-Allow-Headers", "X-Requested-With");
  res.header('Access-Control-Allow-Headers', 'Content-Type');
  res.header('Access-Control-Allow-Headers', 'mytoken');
  next();
});
//将cors挂载
app.use(cors())
app.use(express.urlencoded({ extended: false })); //parse application/x-www-form-urlencoded
app.use(express.json());
// view engine setup
app.engine('html', ejs.__express);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/ai', openaiRouter);
app.use('/discord', discordRouter);
app.use('/discordapp', discordappRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
